1 files changed, 57 insertions, 0 deletions
diff --git a/src/input/filter.h b/src/input/filter.h
new file mode 100644
index 0000000..6650e09
--- /dev/null
+++ b/src/input/filter.h
@@ -0,0 +1,57 @@
+/*
+ * This file is part of Hubbub.
+ * Licensed under the MIT License,
+ *                http://www.opensource.org/licenses/mit-license.php
+ * Copyright 2007 John-Mark Bell <jmb@netsurf-browser.org>
+ */
+
+#ifndef hubbub_input_filter_h_
+#define hubbub_input_filter_h_
+
+#include <inttypes.h>
+
+#include <hubbub/errors.h>
+#include <hubbub/functypes.h>
+
+typedef struct hubbub_filter hubbub_filter;
+
+/**
+ * Input filter option types
+ */
+typedef enum hubbub_filter_opttype {
+	HUBBUB_FILTER_SET_ENCODING       = 0,
+} hubbub_filter_opttype;
+
+/**
+ * Input filter option parameters
+ */
+typedef union hubbub_filter_optparams {
+	/** Parameters for encoding setting */
+	struct {
+		/** Encoding name */
+		const char *name;
+	} encoding;
+} hubbub_filter_optparams;
+
+
+/* Create an input filter */
+hubbub_filter *hubbub_filter_create(const char *int_enc,
+		hubbub_alloc alloc, void *pw);
+/* Destroy an input filter */
+void hubbub_filter_destroy(hubbub_filter *input);
+
+/* Configure an input filter */
+hubbub_error hubbub_filter_setopt(hubbub_filter *input,
+		hubbub_filter_opttype type,
+		hubbub_filter_optparams *params);
+
+/* Process a chunk of data */
+hubbub_error hubbub_filter_process_chunk(hubbub_filter *input,
+		const uint8_t **data, size_t *len,
+		uint8_t **output, size_t *outlen);
+
+/* Reset an input filter's state */
+hubbub_error hubbub_filter_reset(hubbub_filter *input);
+
+#endif
+